search for: tfamili

Dear all, I am working with taxonomic data, represented as a list of classes, orders, families, genera and finally species. > class(mydata) [1] "data.frame" > mode(mydata) [1] "list" > names(mydata) [1] "tclass" "torder" "tfamily" "tgenus" "tspecies" > length(mydata$tclass) [1] 161590 The first 10

I've a data frame with this structure: 'data.frame': 1987 obs. of 11 variables: $ site : Factor w/ 24 levels "B(W)","BC-1",..: 1 1 2 2 2 1 1 1 ... $ sampdate : Date, format: "2000-07-18" "2000-07-18" ... $ tclass : Factor w/ 8 levels "Annelida","Arachnida",..: 1 5 5 5 5 ... $ torder : Factor

Dear all, I run a loop wrapped in try(), and for each of the rows where "try-error" is true I want to fill that row with NA (at the moment it is omitted). So I would expect to get a dataframe with 1000 rows some of which would be empty, but instead I get a dataframe with 995 rows. In this case missing 5 rows were omitted. Any suggestions? Thanks, Olga ----------------